/Engine/Plugins/Online/OnlineFramework/Source/Party/Public/SocialManager.h
const [FJoinPartyAttempt](API\Plugins\Party\USocialManager\FJoinPartyAttempt) * GetJoinAttemptInProgress ( const [FOnlinePartyTypeId](API\Plugins\OnlineSubsystem\FOnlinePartyTypeId) & PartyTypeId ) const